9842009968240 has 80 divisors (see below), whose sum is σ = 23882058164736. Its totient is φ = 3764931104000.

The previous prime is 9842009968199. The next prime is 9842009968247. The reversal of 9842009968240 is 428699002489.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9842009968247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9346035 + ... + 10345645.

Almost surely, 2^{9842009968240} is an apocalyptic number.

It is an amenable number.

9842009968240 is an abundant number, since it is smaller than the sum of its proper divisors (14040048196496).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9842009968240 is a wasteful number, since it uses less digits than its factorization.

9842009968240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004998 (or 1004992 counting only the distinct ones).

The product of its (nonzero) digits is 17915904, while the sum is 61.

The spelling of 9842009968240 in words is "nine trillion, eight hundred forty-two billion, nine million, nine hundred sixty-eight thousand, two hundred forty".